Detailed Image Generation Prompt for a Winter Train Journey Portrait - Nano Banana Pro AI Prompt for Social Media Post — AI 图像提示词

{
"composition": {
"framing": "Vertical portrait orientation with subject positioned left-third, leaning out of a train window; strong leading line created by the red train curving into the background.",
"perspective": "Eye-level perspective from inside the train, slightly angled outward following the train’s curve.",
"depth": "Deep depth of field; foreground subject sharp, midground train cars visible, background mountains and forest clearly defined.",
"visual_flow": "Train line guides the eye from subject toward the snowy landscape and distant mountains."
},
"subject": {
"type": "Human",
"pose": "Upper body leaning outward through an open train window, arms folded on the window ledge, head tilted slightly, relaxed posture.",
"expression": "Soft, calm smile conveying contentment and serenity.",
"gaze": "Looking directly toward the camera/viewer.",
"clothing": {
"headwear": "{argument name="headwear" default="White knit beanie with ribbed texture."}",
"top": "Light beige or off-white fleece/sweater with soft texture.",
"style": "Minimalist winter casual, cozy and neutral-toned."
},
"hair": {
"color": "{argument name="hair color" default="Grey"}",
"length": "Short length",
"style": "Straight, partially tucked under beanie."
}
},
"environment": {
"setting": "{argument name="setting" default="Snow-covered mountainous landscape viewed from a red train."}",
"location_type": "Outdoor alpine winter environment.",
"background_elements": [
"Snow-laden evergreen trees",
"Rocky mountain slope covered in snow",
"Curving red train cars extending into distance",
"Snowbanks close to the train tracks"
],
"season": "Winter"
},
"color_palette": {
"dominant_colors": [
"Snow white",
"Cool gray",
"Deep red",
"Muted forest green"
],
"contrast": "High contrast between vivid red train and neutral whites/grays of snow and sky.",
"temperature": "Cool overall with warm accent from the red train."
},
"lighting": {
"type": "Natural daylight",
"quality": "Soft and diffused, likely overcast conditions.",
"shadows": "Minimal harsh shadows; gentle, even illumination across subject and environment.",
"highlights": "Subtle highlights on snow surfaces and subject’s face."
},
"technical_details": {
"camera_type": "Digital camera or smartphone",
"lens_look": "Wide-angle or standard lens with minimal distortion.",
"focus": "Subject in sharp focus with background remaining clear.",
"noise": "Low noise, clean image.",
"exposure": "Well-balanced exposure preserving snow detail without blowout."
},
"artistic_elements": {
"mood": "Peaceful, cozy, adventurous.",
"storytelling": "Captures a quiet, intimate travel moment during a scenic winter train journey.",
"style": "Lifestyle travel photography with candid portrait feel.",
"aesthetic": "Clean, modern, Instagram-style travel imagery."
},
"background": {
"texture": "Soft snow textures contrasted with rugged mountain and tree details.",
"motion": "Implied motion from the curving train, though image itself is static.",
"depth_layers": [
"Foreground: subject and train window",
"Midground: train cars and sno"42:T